Comparator circuit and analog digital converter having the same

Details Comparator circuit and analog digital converter having the same Comparator circuit and analog digital converter having the same

2011-07-26

2011-07-26

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S163000

Reexamination Certificate

active

07986257

ABSTRACT:
A comparator circuit includes a first comparator comparing an input signal to a first comparison value and generating a first determination signal, a second comparator comparing the input signal to a second comparison value different from the first comparison value and generating a second determination signal, and an output selecting circuit selecting a signal generated first from the first determination signal and the second determination signal, and outputting the selected signal as a determination signal.

REFERENCES:
patent: 5017920 (1991-05-01), French
patent: 7205921 (2007-04-01), Savla
patent: 7671777 (2010-03-01), Yamada et al.
patent: 2002/0003487 (2002-01-01), Harada et al.
patent: 8-107354 (1996-04-01), None
patent: 2002-26731 (2002-01-01), None
A 6-bit 600-MS/s 5.3mW Asynchronous ADC in 0.13-um CMOS, S-W. M. Chen et al., IEEE JSSC, Dec. 2006 Summary.

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